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4hv.org :: Forums :: Electromagnetic Radiation
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Experiments with polarizers

Move Thread LAN_403
Physikfan
Mon Oct 10 2016, 08:36PM
Physikfan Registered Member #60240 Joined: Mon May 16 2016, 07:01PM
Location:
Posts: 304
Experimental setup:

Lightbox, then first polarizer, sample and then second polarizer
:
P1750165 SHPX001


Some results:

Cellophane, crossed polarizers
SP1750146trim SHPX001


plastic sample, crossed polarizers
SP1750154trim SHPX001

plastic sample, parallel polarizers
SP1750155trim SHPX001

Cellophane (2nd sample) crossed polarizers
SP1750150trim SHPX001

Cellophane (2nd sample) parallel polarizers
SP1750152trim SHPX001

Plastic triangle, crossed polarizers
P1750164400

Plastic triangle, parallel polarizers
P1750162 SHPX001

Note the complementary colors due to the different orientation of the second polarizer

Literature:

Hecht Optics
Tipler Physics
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Physikfan
Sun Oct 30 2016, 06:54PM
Physikfan Registered Member #60240 Joined: Mon May 16 2016, 07:01PM
Location:
Posts: 304
More polarization experiments:

Cellophane, polarizers crossed
P1750220P1750220400x218P1750220400x218

Slightly wrinkled cellophane, polarizers parallel
P1750229P1750229400x293P1750229400x293

Slightly wrinkled cellophane, polarizers crossed
P1750231P1750231400x161P1750231400x161

Note the complementary colors comparing the last two pictures
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